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Omron HBF 510 Body Composition Monitor with Scale - White

Omron HBF 510W Body Composition Monitor Weight Scale Fat Analysis Composition Bioelectric Impedance Analysis BIA HBF510W 510 W
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Omron HBF 510 Body Composition Monitor Weight Scale Diagram Fat Analysis Composition Bioelectric Impedance Analysis BIA HBF510W W

Omron HBF 510 Body Composition Monitor Weight Scale Display Fat Analysis Composition Bioelectric Impedance Analysis BIA HBF510 W
Unit Display
Omron HBF 510 Body Composition Monitor Weight Scale Storage Fat Analysis Composition Bioelectric Impedance Analysis BIA HBF510 W
Display Storage Position

Omron offers a revolutionary new way of measuring Bioelectric Impedance Analysis (BIA) that is faster, easier, less intrusive and includes a precision scale making this a simple one-step process. The Omron Body Fat Monitor looks just like a bathroom scale. A person inputs various personal information such as age, gender and height, then steps onto the scale platform. Electrodes in the foot sensor pads send a low, safe signal through the body. Weight is calculated automatically along with Body Fat content and Body Mass Index in seconds.


  • Provides critical information for a healthy lifestyle and effective weight loss program.
  • Monitors for Body Fat, Weight, Visceral Fat, Skeletal Muscle and Body Mass Index (BMI) in seconds.
  • Utilizes Full Body Sensing, which incorporates both upper body and lower body measurement information for the most accurate and consistent results available.
  • Independent, third party validated accuracy exceeding other body fat monitors in the marketplace through the development of an optimal algorithm used for calculating Body Fat Percentage.
  • Personal information (age, height, gender) is stored for 4 users. No need to re-input information that is unchanged.
  • Guest Function - allows anyone to check body composition without storing personal data in memory.
  • Uses Bioelectrical Impedance Analysis to measure body fat.
  • Measures body composition and weight simultaneously or weight only.
  • Toe tap weight only button located at the front of the scale.
  • Suitable for males and females with ages 10 - 80 and height of 3'4" to 6'6.75".
  • Percent Body Fat Classification Index display is appropriate for ages 20 - 79.
  • Skeletal Muscle Percentage and Visceral Fat levels are appropriate for ages 10 to 80.
  • Automatically shuts down after 5 minutes saving battery life.
  • Low battery indicator.
  • Body Fat displayed between 5% to 60% in 0.1% increments.
  • Body Mass Index displayed between 7.0 to 90.0 with 0.1 increments.
  • Weight displayed between 0.0 to 300 lbs. in 0.2 lb. increments.
  • Skeletal Muscle Percentage displayed between 5% to 50% in 0.1% increments.
  • Visceral Fat level displayed as a scale of 1 to 30 in 1 level increments.
  • Provides a visual display classification for Body Fat Percentage - low, normal, high, very high.
  • Provides a visual display classification for Body Mass Index - underweight, normal, overweight, obese.
  • Provides a visual display classification for Visceral Fat - normal, high.
  • Easy-to-read large LCD display.
  • Battery operated. 4 AA batteries included and last up to a year when used up to 4 times a day.
  • Includes complete instruction manual and log sheet.
  • One year warranty includes parts and labor.
  • Dimensions:
    • main unit - 12"w x 13"d x 2.25"h.
    • display unit - 5.75"l x 11.75"w x 1.375"h.
  • Color: white.
  • Product Weight: 4.75 lbs.
  • Note: Shipments to Alaska, Hawaii, Puerto Rico, US Virgin Islands and Canada are not available. Please do not order this product from these locations.

How Bioelectric Impedance Analysis Works

Omron Body Composition Monitor Fat Analysis Bioelectric Impedance Analysis BIABioelectrical Impedance (BI) is considered one of the most accurate and accessible methods of screening body fat.It is used in clinician's offices, health clubs and hospitals across a spectrum of ages and body conditions. Muscles, blood vessels and bones are body tissues having a high water content that conduct electricity easily.Body fat is tissue that has little electric conductivity. The Body Fat Analyzer sends an extremely weak electrical current of 50 kHz and 0.5 mA through your body to determine the amount of total body water. The weak electrical current is not felt while operating the Body Fat Analyzer. The body fat percentage is calculated by a formula that uses the measured body water along with five factors; electric resistance, height, weight, age and gender.

The BIA procedure is considered safe because of several factors. One factor is that currents at a frequency of 50 kHz are reported to be unlikely to stimulate electrically excitable tissues, such as nerves or cardiac muscle. Another is the absence of any reports of problematic events induced by BIA, even in the course of thousands of individuals undergoing measurement. A third factor is that relatively small current magnitudes are involved, less than 1 mA, which are less than the threshold of perception. Furthermore, the use of batteries greatly diminishes risks from shock.

Safety Precaution: Bioelectric Impedance Analysis devices pass an extremely weak electrical signal through the body when taking a measurement. This electrical signal is not felt and is safe for individuals without cardiac pacemakers and implanted medical devices. As a precaution, persons with cardiac pacemakers, electrocardiographs and/or other medical devices implanted in the body or used for life support, should not use Bioelectric Impedance Devices.

Accuracy of Bioelectric Impedance Analysis

Not all Bioelectrical Impedance Analysis (BIA) body fat analyzers are the same! There are many companies producing weight scales and inexpensive handheld devices providing body fat readings through Bioelectric Impedance Analysis. Omron is a leader in this technology and has done extensive University based research and human testing to develop accurate equations and algorithms used in estimating body fat from BIA technology. The accuracy of Omron BIA analyzers have been highly correlated against clinically accurate body fat analysis methods such as Hydrodensitometry (under water weighing), Dual Energy X-ray Absorptiometry (DXA) and Magnetic Resonance Imaging (MRI). Omron has used research information from several hundred people tested under the DXA method to develop the calculation methodology by which their BIA products analyze body fat percentages. A research study performed on the Omron HBF 500 demonstrates a high correlation of accuracy with the industry standard Hydrodensitometry body fat analysis method and was superior to a well known competitor in accuracy.
Omron HBF 500 Body Composition Monitor Weight Scale Accuracy Study Fat Analysis Composition Bioelectric Impedance Analysis BIA HBF500 
Omron HBF 500 Body Composition Monitor Weight Scale Accuracy Study Fat Analysis Composition Bioelectric Impedance Analysis BIA HBF500

Full Body Sensing

Omron HBF 500 Body Composition Monitor Weight Scale Accuracy Study Fat Analysis Composition Bioelectric Impedance Analysis BIA HBF500
The Omron HBF 510 utilizes both upper body and lower body analysis to provide Full Body Sensing in calculating Body Fat and body composition characteristics. This is the most advanced sensing technology available to provide the best accuracy and most consistent results.
  • Full Body Sensing reflects both upper body and lower body information. People can vary in the way their body stores fat and other body composition characteristics that may differ between upper and lower body areas. Full Body Sensing is a more accurate method to calculate body composition because it incorporates information from both the upper body and the lower body.
  • More consistent results are obtained with Full Body Sensing technology. During the course of the day, water movement occurs in the body from the upper body to the lower body and depends on activity level. With the Omron HBF 510 Body Composition Monitor you will get more consistent readings throughout the day.

Tracking Your Progress

The Omron HBF 510 includes a Measurement Log Sheet. This is an important feature and will help you monitor your progress and body composition change over time. It is especially important in weigh loss and dieting programs to ensure the weight being loss is fat weight and not lean muscle mass.

Body Composition Analysis

Your body is composed of bones, blood, organs, muscle, water and fat. Monitoring and maintaining various aspects of your body composition in the desirable range is an important part of a healthy lifestyle. Omron Body Composition Monitors provide information essential for staying healthy and allow you to determine if changes are necessary in your activity level, exercise program and diet.

This device estimates various aspects of your body composition including:

  • Weight
  • Body Fat Percentage of your total body weight
  • Body Mass Index
  • Visceral Fat
  • Skeletal Muscle

Weight - using your weight measurement alone is not an accurate indicator of proper weight and body composition. A weight measurement by itself can not differentiate between body fat and fat free mass in the body.

Body Fat Percentage - located under the skin (subcutaneous), between the muscles (intramuscular) and around internal organs (visceral), this tissue serves to provide insulation against heat/cold, protective padding, energy and nutrient stores and proper functioning of hormonal and immune systems. Body Fat Percentage is a measure of the amount of body fat as a proportion of your total body weight. Excess body fat is a risk factor for cardiovascular disease and can contribute to health conditions such as Diabetes, high blood pressure, sleep apnea and Osteoarthritis.

Recommended Body Fat Ranges






Very High



< 21.0

21.0 - 32.9

33.0 - 38.9



< 23.0

23.0 - 33.9

34.0 - 39.9



< 24.0

24.0 - 35.9

36.0 - 41.9




< 8.0

8.0 - 19.9

20.0 - 24.9



< 11.0

11.0 - 21.9

22.0 - 27.9



< 13.0

13.0 - 24.9

25.0 - 29.9


Body Mass Index (BMI) - this is a simple calculation to determine a person's height to weight ratio. This method provides a slightly more accurate representation of the body composition than weighing alone, but is not considered a good body composition indicator by health and medical professionals because it doesn't take into consideration muscle mass and other genetic factors. For example, two people can have an elevated BMI reading and one can have normal levels of body fat and the other individual can have undesirable elevated levels of body fat.

BMI= weight (lb.) ÷ height (inch)2 x 703

Recommended Body Mass Index*





Very High

Male & Female

< 18.5

18.5 - 24.9

25.0 - 29.9


* values proposed by World Health Organization

Visceral Fat - these are the deep underlying fat stores located around the internal organs of the abdomen. Researchers at Johns Hopkins Medical Institutions found Visceral Fat to be likely to increase heart attack risk and may be a greater predictor of heart disease and diabetes than simple weight or body mass index (BMI). While paying attention to waist size is important, it is very difficult to measure the amount of visceral fat a person has with just a measuring tape and regular scale. Visceral Fat levels are relative and are not absolute values. You can monitor your changes to Visceral Fat over time.

Recommended Visceral

 Fat Levels




Very High

Male & Female

≤ 9

≤ 10 to ≥ 14

≥ 15

Skeletal Muscle - this is the muscle attached to the bones of the body to create movement. Skeletal muscle mass can be increased with exercise which may be desirable in changing the body composition and reducing body fat levels. You can monitor both the change in Body Fat and Skeletal Muscle to maximize the effectiveness of a diet and exercise program.

Recommended Skeletal Muscle Ranges






Very High



< 24.3

24.3 - 30.3

30.4 - 35.3



< 24.1

24.1 - 30.1

30.2 - 35.1



< 23.9

23.9 - 29.9

30.0 - 34.9




< 33.3

33.3 - 39.3

39.4 - 44.0



< 33.1

33.1 - 39.1

39.2 - 43.8



< 32.9

32.9 - 38.9

39.0 - 43.6


Frequently Asked Questions

Q. Why is it important to monitor body fat percentage?
A. Measuring weight alone is not a completely accurate assessment of health or fitness because it doesn't distinguish pounds that come from fat and pounds that come from lean muscle mass.
Q. Are there any illnesses directly linked to obesity?
A. Obesity is directly linked with Diabetes Type II and hypertension, and is a contributing risk factor for many other conditions including heart disease, sleep disorders, arthritis, gall bladder disease, stroke, and several forms of cancer. Awareness and monitoring of body fat percentage can be a motivational tool for a fitness or weight management program. This information is helpful in determining a suitable exercise and nutritional program on an individual basis.
Q. Is it possible to have too little body fat?
A. Yes. Both extremes, too much or too little body fat, put an individual at risk for serious medical and/or psychological conditions. Having a very low body fat percentage, particularly for women, can result in musculoskeletal problems and osteoporosis and it can upset the hormonal balance causing loss of menstruation.
Q. Are there optimal conditions for determining body fat percentage using Bioelectrical Impedance Analysis?
A. Yes, there are:
    • Select a consistent time of day, and stick to it.
    • Test with an empty bladder.
    • Test when normally hydrated.
    • Avoid measurement immediately after eating and bathing.
    • Before a meal or at least two hours after a meal is best.
    • Unclean foot pads may interfere with conductivity.

Things that can affect hydration include:

    • Strenuous exercise.
    • Recent food intake.
    • Diuretics such as caffeine, alcohol and certain medications.

Early morning is not recommended because the body is often dehydrated after a night's sleep. Once you have established your baseline, monitor body fat about twice a month. Checking body fat more frequently is not beneficial as changes occur slowly over time.

Q. Are there people for whom the monitor is not appropriate?
A: People with pacemakers are advised not to use the monitors. Although there are no known health risks, this is a precaution that is advocated by all manufacturers of BIA.Accuracy is an issue for certain categories of people, but the units may still be used to monitor trends and accurately show degree of change.

Individuals in which accuracy may vary include:

    • Children in growth stage.
    • Patients with Osteoporosis who have low bone density.
    • Post menopausal women.
    • Pregnant women.
    • People who exceed the weight capacity of the scale (models vary) and/or exceed 75% body fat.
    • Professional athletes and bodybuilders.
    • Persons on dialysis.
    • Persons suffering from edema.
    • Adults 70 years old and older
Q. Can you use the Body Fat Analyzer if pregnant?
A. Consult your physician prior to using this product.Never start a weight reduction or exercise program without instructions from your healthcare provider.
Q: What type of maintenance is necessary?
A:No maintenance is required other than to use a soft dry cloth to clean the unit and/or use of alcohol to sanitize the foot pads. Avoid abrasive or volatile chemical cleaners.